Scientists warn that rising CO2 levels will have what effect on the Earth? A
cause sea levels to drop

B
trap heat in the atmosphere causing the greenhouse effect

C
cause acid rain

D
speed up the next ice age

B

Explanation:

Because Molecules of carbon dioxide (CO2) can absorb energy from infrared (IR) radiation. This animation shows a molecule of CO2 absorbing an incoming infrared photon (yellow arrows). ... This ability to absorb and re-emit infrared energy is what makes CO2 an effective heat-trapping greenhouse gas. And it will lead to green house effect...